Physics Previous Year Questions 2026 | UP PCS

Physics - MOST IMPORTANT UP PCS Previous Year Questions

Practice real questions from previous year exams of UP PCS.

📘 Electrostatics📚 Electric Charge and its Measurement
Q1
What happens when some charge is placed on a soap bubble?
🎯 UP PCS Pre 2019
📘 Light and Optics📚 Total Internal Reflection and Critical Angle
Q2
The phenomenon used in optical fibre for transmission of light energy is
🎯 UP PCS Pre 2019
📘 Thermal Properties of Matter📚 Modes of Heat Transfer- Conduction, Convection and Radiation
Q3
A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by
🎯 UP PCS Pre 2019
📘 Current Electricity📚 Conductors, Semiconductors and Insulators
Q4
Match List-I with List-II and select the correct answer using the codes given below the lists : List-I (Metal) A. Sodium B. Mercury C. Silver D. Lead List-II (Property) 1. Good conductor of electricity 2. Liquid at room temperature 3. Poor conductor of heat 4. Can be easily cut with knife
🎯 UP PCS Pre 2020
📘 Wave📚 Electromagnetic- Ultraviolet waves
Q5
Which of the following types of glass can cut off ultraviolet rays?
🎯 UP PCS Pre 2021
📘 Current Electricity📚 Electric Potential
Q6
With reference to the electric potential, which of the following statement is/are correct? 1. It is a scalar quantity. 2. It is a vector quantity. Select the correct answer using the codes given below. Codes:
🎯 UP PCS Pre 2021
📘 Scattering of Light📚 Factors affecting Scattering
Q7
Diffusion of light in the atmosphere takes place due to
🎯 UP PCS Pre 2021
📘 Atomic and Nuclear Physics📚 Atoms- Electrons, Protons, Neutrons
Q8
Which of the following particles has zero charge?
🎯 UP PCS Pre 2021
📘 Atomic and Nuclear Physics📚 Radioactivity
Q9
With reference to the radioactivity, which of the following statements is/are correct? 1. Radioactivity is a nuclear property. 2. Hydrogen bomb is prepared on the principle of nuclear fission. Select the correct answer using the codes given below. Codes:
🎯 UP PCS Pre 2021
📘 Thermodynamics📚 Thermodynamic Potentials- Internal Energy, Gibbs Energy, etc.
Q10
Thermodynamically the most stable form of carbon is
🎯 UP PCS Pre 2022
📘 Thermal Properties of Matter📚 Modes of Heat Transfer- Conduction, Convection and Radiation
Q11
Which of the following is NOT a green house gas?
🎯 UP PCS Pre 2022
📘 Sound📚 Features of Sound- Loudness, Intensity, Pitch, Quality, etc.
Q12
In the context of permissible noise level match List-I with List-II. List-I (Area): A. Residential area, B. Silent zone, C. Industrial area, D. Commercial area. List-II (Permissible Noise Level): 1. 50 db, 2. 55 db, 3. 65 db, 4. 70 db
🎯 UP PCS Pre 2022
📘 Thermal Properties of Matter📚 Misc
Q13
Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A): Agra and Darjeeling are located on the same latitude but temperature of January in Agra is 16° Centigrade whereas it is only 4° Centigrade in Darjeeling. Reason (R) : Temperature decreases with height and due to thin air, places in the mountains are cooler than places in the plains.
🎯 UP PCS Pre 2022
📘 Thermodynamics📚 Heat Engine
Q14
In which of the following types of heat engines carburetor is used?
🎯 UP PCS Pre 2022
📘 Modern Physics📚 Photoelectric Effect
Q15
Solar energy is converted into electric energy through
🎯 UP PCS Pre 2022
📘 Units and Dimensions📚 Fundamental and Supplementary Units of Measurement
Q16
Which one of the following pairs of Quantity and S.I. Unit is NOT correctly matched?
🎯 UP PCS Pre 2022
📘 Thermal Properties of Matter📚 Modes of Heat Transfer- Conduction, Convection and Radiation
Q17
The earth atmosphere is mainly heated by which one of the following?
🎯 UP PCS Pre 2022
📘 Work, Energy and Power📚 Other types of energy- chemical, mechanical, etc.
Q18
Non-conventional energy sources are those energy sources, that are-
🎯 UP PCS Pre 2023
📘 Work, Energy and Power📚 Other types of energy- chemical, mechanical, etc.
Q19
Shivanasamudra and Kalpakkamam are respectively important for
🎯 UP PCS Pre 2023
📘 Force and Motion📚 Physical Quantities related to Motion- acceleration, displacement, etc.
Q20
A bus covers the first half of a certain distance with speed v₁ and the second half with a speed v₂. The average speed during the whole journey is :
🎯 UP PCS Pre 2024